.main-info {
  .left-nav {
    width: 370px;
    height: 1600px;
    border-right: 1px solid #C5C4C4;
    h3.title {
      padding-left: 61px;
      padding-top: 28px;
      padding-bottom: 15px;
      font-size: 24px;
      color: #4B4949;
    }

    .nav-item {
      height: 56px;
      padding-left: 16px;
      font-size: 24px;
      cursor: pointer;
      &.active {
        color: #fff;
        background-color: #275E8D;

      }
       div {
        height: 56px;
        display: flex;
        justify-content: flex-start;
        align-items: center;
        img {
          margin-right: 13px;
        }
      }
    }
  }
}